Flight OddsWN4020 OAK → SAN
Southwest Airlines · Oakland, CA to San Diego, CA · 17 flights observed, 2025-10-02 to 2025-10-30 · 446 mi
WN4020 covers more than one route in the data window — the stats below are for OAK → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+11 min
90th percentile
+64 min
Cancellation rate
0%
How often is WN4020 on time?
Across 17 flights on OAK → SAN from 2025-10-02 to 2025-10-30, WN4020 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +64 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 11 | 65% |
| 16-30 min | 2 | 12% |
| 31-60 min | 2 | 12% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 17 | 65% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 60% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…